.load-container {
  position: relative;
  width: 100px;
  height: 100px;
  margin:  auto;
}
.load-container .boxLoading {
  width: 50px;
  height: 50px;
  margin: auto;
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
}
.load-container .boxLoading:before {
  content: "";
  width: 50px;
  height: 5px;
  background: #000;
  opacity: 0.1;
  position: absolute;
  top: 59px;
  left: 0;
  border-radius: 50%;
  animation: shadow 0.5s linear infinite;
}
.load-container .boxLoading:after {
  content: "";
  width: 50px;
  height: 50px;
  background: #00adb5;
  animation: animate 0.5s linear infinite;
  position: absolute;
  top: 0;
  left: 0;
  border-radius: 3px;
}

@keyframes animate {
  17% {
    border-bottom-right-radius: 3px;
  }
  25% {
    transform: translateY(9px) rotate(22.5deg);
  }
  50% {
    transform: translateY(18px) scale(1, 0.9) rotate(45deg);
    border-bottom-right-radius: 40px;
  }
  75% {
    transform: translateY(9px) rotate(67.5deg);
  }
  100% {
    transform: translateY(0) rotate(90deg);
  }
}